Inventor
KOIDE AYUMU
JP3 patents
Patents
3 patentsUS6694142B1Feb 17, 2004
Wireless terminal positioning method and apparatus
HITACHI LTD70 citations95
US7116992B1Oct 3, 2006
Mobile station using positional information
HITACHI LTD24 citations92
US5802453ASep 1, 1998
Radio paging transmitter which adjusts its transmission time based on detection of its own transmission delay
HITACHI LTD11 citations69